Research Article: Bis[1-(eth­oxy­carbonyl­meth­yl)pyridinium] bis­(1,2-dicyano­ethene-1,2-dithiol­ato-κ2S,S′)nickelate(II)

Date Published: September 01, 2012

Publisher: International Union of Crystallography

Author(s): Tian-li Ren, Cheng-jian Yang, De-yu Fang, Guo-xun Shi, Xue Zhu.

http://doi.org/10.1107/S1600536812033831

Abstract

The asymmetric unit of the title ion-pair complex, (C9H12NO2)2[Ni(C4N2S2)2], contains two 1-(eth­oxy­carbonyl­meth­yl)pyridinium cations and one bis­(1,2-dicyano­ethene-1,2-dithiol­ato)nickelate(II) dianion, which exhibits a slightly distorted square-planar coordination geometry. In the crystal, the cations are linked by strong C—H⋯O hydrogen bonds into C(6) chains along [100]. The cations and anions are linked into a three-dimensional architecture by weak C—H⋯N and C—H⋯S inter­actions.

Partial Text

For details of other maleonitrile­dithiol­ate metal complexes, see: Robertson & Cronin (2002 ▶); Coomber et al. (1996 ▶); Duan et al. (2010 ▶); Wang et al. (2012 ▶). For general background to the use of maleonitrile­dithiol­ate transition metal complexes as building blocks for optical, magnetic and conducting mol­ecular materials, see: Brammer (2004 ▶); Ni et al. (2005 ▶); Robin & Fromm (2006 ▶). For graph-set notation, see: Bernstein et al. (1995 ▶).

 

Source:

http://doi.org/10.1107/S1600536812033831

 

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